Earlier this year, our transport editor, Mike, pondered the concept of diesel helicopters. Well, they may be closer than he thought. Delta Helicopters of Queensland, Australia, are already prepping their Delta D2

Photo: U.S. Navy, Public domain.Biofuels Probably Have a Brighter Future in Aviation than Ground TransportThe U.S. military is the #1 consumer of oil in the world, and the Navy's ships and planes use a large fraction of the total. For strategic

John-Paul Flintoff titled his post yesterday "Grounded planes cause mass starvation in London" which as he notes, was a bit of an exaggeration. But is certainly food for thought, as we consider the resilience of the global transport

The end of the ban on flying seems to be touch and go with most flights still cancelled until later this afternoon. But some are rhapsodizing about a world without planes and the joys of cloud watching

It must have been a beautiful sight, the maiden flight of the Enterprise. Burt Rutan says that it "signifies the start of what we believe will be an extremely exciting and successful spaceship flight test

In Mike's excellent piece on greener flying, he carefully explained how business class passengers have higher per-passenger emissions than economy. Terrapass have also covered this in their tips for sustainable air

I'm not sure whether the Pentagon's clean energy projects count toward the idea that environmentalism is socialist, or whether they get a free pass because, well, they are the Pentagon and they know a thing or two

TreeHugger loves recycling, and has shown a number of planes recycled into hotels. But none so luxurious as this renovation of a former 120-seater into a luxury suite for two, at Teuge airport in the Netherlands.

TreeHugger previously suggested that air travel was going to be so miserable, that we would all be treated like Cyrus the Virus in Con Air, strapped to our seats in orange jumpsuits, that people might just stop doing it, in our post Is Air Travel Now

Forget the lines while you wait to get on the plane, the real torture starts when you are in the air. Gizmodo lists the new rules, and flying has just become a far more miserable experience than it ever was before; we